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#### 15.4.3 Marker Styles

Marker styles are specified by the following properties:

`marker`

  A character indicating a plot marker to be place at each data point, or `"none"`, meaning no markers should be displayed.

`markeredgecolor`

  The color of the edge around the marker, or `"auto"`, meaning that the edge color is the same as the face color. See Colors.

`markerfacecolor`

  The color of the marker, or `"none"` to indicate that the marker should not be filled. See Colors.

`markersize`

  A number specifying the size of the marker. The default is 1. A value of 2 is twice as large as the default, etc.

The `colstyle` function will parse a `plot`-style specification and will return the color, line, and marker values that would result.

: [style, color, marker, msg] = colstyle (style) ¶

  Parse the line specification style and return the line style, color, and markers given.

  In the case of an error, the string msg will return the text of the error.